.. is assuming everybody is profit-motivated and is actually driven by "bringing something to market."...Why not spend some of those dividends out on the fringe? That's how progress happens: sometimes you learn something (I'm sure the driverless car initiative has had lots of implications for Maps' imaging) you didn't expect.
They are publicly held so by law they have to do what's best for shareholders. So yeah, by law, everything they do will have to be profit-motivated at some level.